Rubber Regulating Wheels Rubber Regulating Wheels Used in centreless grinding as control wheels. Most wheels are with straight and recessed sides with diameters ranging from 50mm to 400mm and thickness from 25mm to 250mm. Available in: • Brown Aluminium Oxide (A) Types: • Straight Wheels (Type 1) • RBS (recessed both sides) • ROS (recessed one sides) Manufactured in rubber and resinoid bond Read more